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Finding the Fourth Proportional to 18,026.94, 27,021.90 and 7,503.06

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Solution

The fourth proportional to 18,026.94, 27,021.90 and 7,503.06 is: 11,246.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.94 : 27,021.90 = 7,503.06 : x
  2. Step 2: Convert to fraction form
    18,026.94/27,021.90 = 7,503.06/x
  3. Step 3: Cross multiply
    18,026.94x = 27,021.90 × 7,503.06
  4. Step 4: Simplify right side
    18,026.94x = 202,746,937.01
  5. Step 5: Solve for x
    x = 202,746,937.01/18,026.94
  6. Step 6: Final answer
    x = 11,246.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.